Cutting insert



FIG. 1 is a front perspective view of a cutting insert.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines shown in the drawings illustrate portions of the cutting insert that form no part of the claimed design. 

CLAIM The ornamental design for a cutting insert, as shown and described. 